(9000) Hal Main-belt Asteroid
Discovered on 3 May 1981 by E. Bowell at Anderson Mesa.
👶 Hal as a baby name🐶 Hal as a dog name
Where Hal is today
Seen from above the solar system on 2026-10-14: Hal is 2.69 au from the Sun and 3.06 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 9000 |
| Provisional designation | 1981 JO |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.62 km (#13,671 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.324 |
| Rotation period | 908 hours |
| Absolute magnitude (H) | 14.15 |
| Orbital period | 3.33 years |
| Semi-major axis | 2.23 au |
| Perihelion – aphelion | 1.77 – 2.70 au |
| Eccentricity | 0.208 |
| Inclination | 6.26° |
| Closest distance between its orbit and Earth's (MOID) | 0.764 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 3 May 1981
- (2411) Zellner
- (2685) Masursky
- (2844) Hess
- (2920) Automedon
- (3208) Lunn
- (3748) Tatum
- (3869) Norton
- (4396) Gressmann
- (4732) Froeschle